ABAP Select data from SAP table FARR_S_ACCR_PP_PARAM into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FARR_S_ACCR_PP_PARAM table and store it within an internal table, including using the newer @DATA inline declaration methods. It also shows you various ways to process this data using ABAP work area, inline declaration or field symbols including executing all the relevant CONVERSION_EXIT routines specific to FARR_S_ACCR_PP_PARAM. See here for more generic Select statement tips.

Sometimes data within SAP is stored within the database table in a different format to what it is displayed to the user. These input/output conversation FM routines are what translates the data between the two formats.

There is also a full declaration of the FARR_S_ACCR_PP_PARAM table where each field has a char/string type for you to simply copy and paste. This allows you to use processing that is only available to these field types such as the CONCATENATE statement.

DATA: IT_FARR_S_ACCR_PP_PARAM TYPE STANDARD TABLE OF FARR_S_ACCR_PP_PARAM,
      WA_FARR_S_ACCR_PP_PARAM TYPE FARR_S_ACCR_PP_PARAM,
      GD_STR TYPE STRING.

DATA: lo_typedescr type REF TO cl_abap_typedescr.
DATA: lv_fieldname type fieldname.

FIELD-SYMBOLS: <FIELD> TYPE any.
FIELD-SYMBOLS: <FARR_S_ACCR_PP_PARAM> TYPE FARR_S_ACCR_PP_PARAM.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_FARR_S_ACCR_PP_PARAM.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM FARR_S_ACCR_PP_PARAM
  INTO TABLE IT_FARR_S_ACCR_PP_PARAM.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FARR_S_ACCR_PP_PARAM
*  INTO TABLE @DATA(IT_FARR_S_ACCR_PP_PARAM2).
*--Further methods of using ABAP code to  select data from SAP database tables

*You can also declare the header/work area using the in-line DATA declaration method
READ TABLE IT_FARR_S_ACCR_PP_PARAM INDEX 1 INTO DATA(WA_FARR_S_ACCR_PP_PARAM2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_FARR_S_ACCR_PP_PARAM ASSIGNING <FARR_S_ACCR_PP_PARAM>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FARR_S_ACCR_PP_PARAM>-COMPANY_CODE_PAR = 1.
<FARR_S_ACCR_PP_PARAM>-COMPANY_CODE_RANGE = 1.
<FARR_S_ACCR_PP_PARAM>-ACCT_PRINCIPLE = 1.
<FARR_S_ACCR_PP_PARAM>-FISCAL_YEAR = 1.
<FARR_S_ACCR_PP_PARAM>-PERIOD = 1.

ENDLOOP.

LOOP AT IT_FARR_S_ACCR_PP_PARAM INTO WA_FARR_S_ACCR_PP_PARAM.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FARR_S_ACCR_PP_PARAM-CONTRACT_RANGE, sy-vline,
  WA_FARR_S_ACCR_PP_PARAM-VALUE_DATE, sy-vline,
  WA_FARR_S_ACCR_PP_PARAM-POSTING_DATE, sy-vline,
  WA_FARR_S_ACCR_PP_PARAM-REVERSED_RUN_ID, sy-vline,
  WA_FARR_S_ACCR_PP_PARAM-RUN_DATE, sy-vline,
  WA_FARR_S_ACCR_PP_PARAM-RUN_MODE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FARR_S_ACCR_PP_PARAM you want to display...

  WRITE:/ sy-uline.
* Aternatively use generic code to Write field values (and NAME) to screen report
  DO.
    ASSIGN COMPONENT sy-index OF STRUCTURE wa_FARR_S_ACCR_PP_PARAM TO <field>.
    IF sy-subrc <> 0. EXIT. ENDIF.
    WRITE:/ 'Field Value', <field>, sy-vline.
    gd_str = <field> .
    lo_typedescr ?= CL_ABAP_DATADESCR=>DESCRIBE_BY_DATA( <field> ).
    lv_fieldname = lo_typedescr->GET_RELATIVE_NAME( ).
    WRITE:/ 'Field Name', lv_fieldname.
  ENDDO.

  
*Redo loop but convert all fields from internal to out value  
LOOP AT IT_FARR_S_ACCR_PP_PARAM INTO WA_FARR_S_ACCR_PP_PARAM.


*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Convert all fields to display/output versions using conversion routines
  PERFORM convert_all_field_values CHANGING wa_EKKO.
	 
ENDLOOP.

  
*&---------------------------------------------------------------------*
*& Form convert_all_field_values
*&---------------------------------------------------------------------*
FORM convert_all_field_values CHANGING p_EKKO LIKE wa_EKKO.
DATA: ld_input(1000) TYPE c, ld_output(1000) TYPE C.

*Conversion exit GJAHR, internal->external for field FISCAL_YEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FARR_S_ACCR_PP_PARAM-FISCAL_YEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FARR_S_ACCR_PP_PARAM-FISCAL_YEAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field REVERSED_RUN_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FARR_S_ACCR_PP_PARAM-REVERSED_RUN_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FARR_S_ACCR_PP_PARAM-REVERSED_RUN_ID.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_FARR_S_ACCR_PP_PARAM_STR, 
COMPANY_CODE_PAR TYPE STRING,
COMPANY_CODE_RANGE TYPE STRING,
ACCT_PRINCIPLE TYPE STRING,
FISCAL_YEAR TYPE STRING,
PERIOD TYPE STRING,
CONTRACT_RANGE TYPE STRING,
VALUE_DATE TYPE STRING,
POSTING_DATE TYPE STRING,
REVERSED_RUN_ID TYPE STRING,
RUN_DATE TYPE STRING,
RUN_MODE TYPE STRING,
CLOSE_PERIOD TYPE STRING,
KPPOFF TYPE STRING,
FI_SIMULATION TYPE STRING,
NUM_OF_PACKAGES TYPE STRING,
SYNCHRONOUS_CALL TYPE STRING,
DIALOG_MODE TYPE STRING,
FREE_SEL TYPE STRING,
SUBOBJ TYPE STRING,
MIG_STATUS TYPE STRING,
LOG_EXTNUMBER TYPE STRING,
JOB_GUID TYPE STRING,
ALL_IN_PROD TYPE STRING,
BUKRS_RUN_IDS TYPE STRING,
LIAB_METHOD TYPE STRING,
LC_CALC_METHOD TYPE STRING,
LIABILITY_POST_MODE TYPE STRING,
UNIT_TEST TYPE STRING,
MAXWPP TYPE STRING,
MAXWP TYPE STRING,
LIMIT TYPE STRING,
PROBLEM_CLASS TYPE STRING,
APJ TYPE STRING,
POSTPONED_POSTING TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FARR_S_ACCR_PP_PARAM_STR type T_EKKO_STR.

DATA: ld_text TYPE string.

LOOP AT IT_EKKO INTO WA_EKKO.
  MOVE-CORRESPONDING wa_EKKO TO WA_EKKO_STR.
  CONCATENATE: sy-vline
WA_FARR_S_ACCR_PP_PARAM_STR-COMPANY_CODE_PAR sy-vline 
WA_FARR_S_ACCR_PP_PARAM_STR-COMPANY_CODE_RANGE sy-vline 
WA_FARR_S_ACCR_PP_PARAM_STR-ACCT_PRINCIPLE sy-vline 
WA_FARR_S_ACCR_PP_PARAM_STR-FISCAL_YEAR sy-vline 
WA_FARR_S_ACCR_PP_PARAM_STR-PERIOD sy-vline 
WA_FARR_S_ACCR_PP_PARAM_STR-CONTRACT_RANGE sy-vline 
WA_FARR_S_ACCR_PP_PARAM_STR-VALUE_DATE sy-vline 
WA_FARR_S_ACCR_PP_PARAM_STR-POSTING_DATE sy-vline 
WA_FARR_S_ACCR_PP_PARAM_STR-REVERSED_RUN_ID sy-vline 
WA_FARR_S_ACCR_PP_PARAM_STR-RUN_DATE sy-vline 
WA_FARR_S_ACCR_PP_PARAM_STR-RUN_MODE sy-vline 
WA_FARR_S_ACCR_PP_PARAM_STR-CLOSE_PERIOD sy-vline 
WA_FARR_S_ACCR_PP_PARAM_STR-KPPOFF sy-vline 
WA_FARR_S_ACCR_PP_PARAM_STR-FI_SIMULATION sy-vline 
WA_FARR_S_ACCR_PP_PARAM_STR-NUM_OF_PACKAGES sy-vline 
WA_FARR_S_ACCR_PP_PARAM_STR-SYNCHRONOUS_CALL sy-vline 
WA_FARR_S_ACCR_PP_PARAM_STR-DIALOG_MODE sy-vline 
WA_FARR_S_ACCR_PP_PARAM_STR-FREE_SEL sy-vline 
WA_FARR_S_ACCR_PP_PARAM_STR-SUBOBJ sy-vline 
WA_FARR_S_ACCR_PP_PARAM_STR-MIG_STATUS sy-vline 
WA_FARR_S_ACCR_PP_PARAM_STR-LOG_EXTNUMBER sy-vline 
WA_FARR_S_ACCR_PP_PARAM_STR-JOB_GUID sy-vline 
WA_FARR_S_ACCR_PP_PARAM_STR-ALL_IN_PROD sy-vline 
WA_FARR_S_ACCR_PP_PARAM_STR-BUKRS_RUN_IDS sy-vline 
WA_FARR_S_ACCR_PP_PARAM_STR-LIAB_METHOD sy-vline 
WA_FARR_S_ACCR_PP_PARAM_STR-LC_CALC_METHOD sy-vline 
WA_FARR_S_ACCR_PP_PARAM_STR-LIABILITY_POST_MODE sy-vline 
WA_FARR_S_ACCR_PP_PARAM_STR-UNIT_TEST sy-vline 
WA_FARR_S_ACCR_PP_PARAM_STR-MAXWPP sy-vline 
WA_FARR_S_ACCR_PP_PARAM_STR-MAXWP sy-vline 
WA_FARR_S_ACCR_PP_PARAM_STR-LIMIT sy-vline 
WA_FARR_S_ACCR_PP_PARAM_STR-PROBLEM_CLASS sy-vline 
WA_FARR_S_ACCR_PP_PARAM_STR-APJ sy-vline 
WA_FARR_S_ACCR_PP_PARAM_STR-POSTPONED_POSTING sy-vline      INTO ld_text SEPARATED BY SPACE.

*Add any further fields from structure WA_EKKO_STR you want to CONCATENATE...
ENDLOOP.
ENDFORM.